(19)

(11)

EP 4 294 665 A1

(12)

(43) Date of publication: 27.12.2023 Bulletin 2023/52 (21) Application number: 22711492.3 (22) Date of filing: 19.02.2022

(51) International Patent Classification (IPC):  B60L 53/30(2019.01) H01M 10/42(2006.01) B60L 53/53(2019.01) (52) Cooperative Patent Classification (CPC): B60L 2200/24; B60L 53/53; B60L 53/30; B60L 2200/34; H01M 10/425; H01M 2220/20; H01M 10/48 (86) International application number: PCT/EP2022/054168 (87) International publication number: WO 2022/175501 (25.08.2022 Gazette 2022/34)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 19.02.2021 GB 202102336 (71) Applicant: Gray, Ian Paignton, Devon TQ4 6NF (GB)	(72) Inventor: Gray, Ian Paignton, Devon TQ4 6NF (GB) (74) Representative: Bryers Intellectual Property Ltd  Bristol & Bath Science Park Dirac Crescent, Emerson's Green Bristol, BS16 7FR Bristol, BS16 7FR (GB)